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https://github.com/zhenyan121/SporeBG-Conid.git
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A startup for it
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53
src/ui/Render.cpp
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53
src/ui/Render.cpp
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#include "Render.h"
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Renderer::Renderer(int WIDTH, int HEIGHT) : Width(WIDTH), Height(HEIGHT) {
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}
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Renderer::Renderer() : Width(1600), Height(900) {
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}
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Renderer::~Renderer() {
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if (m_renderer) SDL_DestroyRenderer(m_renderer);
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if (m_window) SDL_DestroyWindow(m_window);
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}
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bool Renderer::initialize() {
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// 创建窗口(支持高DPI和横屏)[3,4](@ref)
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m_window = SDL_CreateWindow(
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"孢子棋", // 窗口标题,显示在标题栏上
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Width, // 窗口的逻辑宽度(例如 800),用于统一布局,不受屏幕 DPI 影响
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Height, // 窗口的逻辑高度(例如 600)
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SDL_WINDOW_HIGH_PIXEL_DENSITY | // 启用高像素密度支持(HiDPI/Retina),确保在高分屏上画面清晰
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SDL_WINDOW_RESIZABLE // 允许用户调整窗口大小(可拉伸)
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);
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if (!m_window) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"创建窗口失败: %s", SDL_GetError());
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return false;
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}
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// 创建渲染器
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m_renderer = SDL_CreateRenderer(m_window, nullptr); //自动选择合适渲染器,开启硬件加速和垂直同步
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if (!m_renderer) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"创建渲染器失败: %s", SDL_GetError());
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return false;
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}
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// 设置逻辑呈现模式,实现分辨率自适应[3](@ref)
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SDL_SetRenderLogicalPresentation(m_renderer,
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Width,
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Height,
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SDL_LOGICAL_PRESENTATION_LETTERBOX);
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SDL_SetWindowSize(m_window, Width, Height);
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return true;
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}
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void Renderer::Renderhello() {
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SDL_SetRenderDrawColor(m_renderer, 0, 0, 0, 255);
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SDL_RenderClear(m_renderer);
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SDL_SetRenderDrawColor(m_renderer, 255, 255, 255, 255);
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SDL_RenderPresent(m_renderer);
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}
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